CA138996A - Registre a ventilation - Google Patents

Registre a ventilation

Info

Publication number
CA138996A
CA138996A CA000138996A CA138996DA CA138996A CA 138996 A CA138996 A CA 138996A CA 000138996 A CA000138996 A CA 000138996A CA 138996D A CA138996D A CA 138996DA CA 138996 A CA138996 A CA 138996A
Authority
CA
Canada
Prior art keywords
ventilating
register
ventilating register
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000138996A
Other languages
English (en)
Inventor
Frederick Augustus Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA138996A publication Critical patent/CA138996A/fr
Expired legal-status Critical Current

Links

CA000138996A 1911-11-24 1911-11-24 Registre a ventilation Expired CA138996A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA138996T 1911-11-24

Publications (1)

Publication Number Publication Date
CA138996A true CA138996A (fr) 1912-03-05

Family

ID=45258712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000138996A Expired CA138996A (fr) 1911-11-24 1911-11-24 Registre a ventilation

Country Status (1)

Country Link
CA (1) CA138996A (fr)

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